.is_fixed {
    position: fixed;
    top: 0;
  }
  header {
    display: flex;
    width: 100%;
    height: 50px;
    justify-content: space-between;
    position: absolute;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    line-height: 50px;
    flex-wrap: wrap;
  }
  header>.brand-commit{
      width: 100%;
      display: flex;
      justify-content: space-around;
      background: #fff;
  }
  header>.brand-commit>a{
      display: inline-block;
      width: 25%;
      height: 34px;
      font-size: 14px;
      text-align: center;
      color: #999;
      line-height: 34px;
  }
  .beblack{
      color: #000 !important;
      font-weight: 700;
  }
  header > div > i {
      display: block;
    font-size: 26px;
    line-height: 50px;
    padding: 0 5px;
  }
  header > div > p {
    height: 25px;
    margin: 0;
  }
  header > div > p:nth-of-type(1) {
    font-size: 13px;
    font-weight: 900;
    color: #000;
    margin-top: -8px;
  }
  header > div > p:nth-of-type(2) {
    font-size: 12px;
    color: #dd2828;
    font-weight: 600;
    margin-top: -6px;
  }
  footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 50px;
    display: flex;
    justify-content: space-between;
    box-shadow: 0 -1px 20px 0 rgba(0, 0, 0, 0.05);
    background: white;
  }
  footer > div {
    width: 150px;
    height: 50px;
    text-align: center;
    line-height: 50px;
  }
  footer > div:nth-of-type(1) {
    width: 75px;
  }
  footer > div:nth-of-type(2) {
    font-size: 16px;
    font-weight: 700;
    border-right: 1px solid #dadada;
  }
  footer > div:nth-of-type(3) {
    font-size: 16px;
    font-weight: 700;
    color: #dd2828;
  }
  footer > div:nth-of-type(1) > i {
    width: 75px;
    display: block;
    line-height: 50px;
    text-align: center;
    font-size: 26px;
    margin-top: -6px;
  }
  footer > div:nth-of-type(1) > p {
    font-size: 12px;
    margin-top: -28px;
  }
  footer > div:nth-of-type(1) > p > span {
    display: block;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    line-height: 15px;
    background: #dd2828;
    color: #fff;
    text-align: center;
    position: fixed;
    bottom: 30px;
    left: 40px;
  }
  #content_text{
      width: 100%;
      padding-bottom: 50px;
  }
  #content_text>h1{
      padding: 0 20px;
      font-size: 18px;
      color: #000;
      font-weight:500;
      margin-top: 12px;
  }
  #content_text>p{
    padding: 0 20px;
    text-decoration: line-through;
    color: #ccc;
    font-size: 12px;
    margin: 0;
  }
  #content_text>.newprice{
      padding: 0 20px;
  }
  #content_text>.newprice>span:nth-of-type(1){
      font-size: 16px;
      color: #dd2828;
      margin-right: 5px;
      font-weight: 700;
  }
  #content_text>.newprice>span:nth-of-type(2){
      font-size: 12px;
      border: 1px solid #000;
      padding: 2px;
      line-height: 12px;
      margin-right: 5px;
  }
  #content_text>.newprice>span:nth-of-type(3){
    font-size: 12px;
    background: #dd2828;
    color: #fff;
    padding: 2px;
    line-height: 12px;
  }
  #content_text>.deliver_date{
      margin-top: 12px;
      padding-left: 20px;
      font-size: 12px;
      color: #666;
      margin-bottom: 29px;
  }
  .endtime{
    margin: 0 20px;
    height: 60px;
    border-top: 1px solid #e1dede;
    border-bottom: 1px solid #e1dede;
    line-height: 60px;
  }
  .endtime>div{
      display: inline-block;
      padding: 0 20px;
      color: #000;
      
      font-size: 14px;
  }
  .endtime>div>em{
      margin:0 3px;
      
  }
  .endtime>div>span{
      font-weight: 700;
  }
  .endtime>i{
      font-size: 14px;
      color: #666;
  }
  .service{
      margin: 0 20px;
      padding: 20px 0;
  }
  .service>i{
      color: #666;
      font-size: 14px;
  }
  .service>i:nth-of-type(2){
      float: right;
      margin-top: 7px;
  }
  .service>div{
      display: inline-block;
      margin-left: 20px;
  }
  .service>div>p{
    display: inline-block;
    color: #666;
    font-size: 12px;
  }
  .service>div>p:nth-of-type(2){
      padding:  0 10px;
      margin: 0 10px;
      border-left: 1px solid #666;
      border-right: 1px solid #666;
  }
  .size{
    line-height: 80px;
    margin: 0 20px;
    border-top: 1px solid #e1dede;
    border-bottom: 1px solid #e1dede;
  }
  .size>p{
      width: 30px;
      height: 30px;
      font-size: 14px;
      line-height: 30px;
      text-align: center;
      color: #666;
      display: inline-block;
      margin-right: 16px;
      background-color: #f5f5f5;
  }
  .saleout{
    color: #ccc !important;
    background-color: #f5f5f5 !important;
  }
  .size>span{
    font-size: 14px;
    color: #666;
    display: inline-block;
    margin-right: 16px;
}
.parameter{
    margin: 25px 20px 35px;
    
}
.parameter>h2{
    font-size: 18px;
    color: #000;
    font-weight: 700;
    padding-bottom: 35px;
    border-bottom: 1px solid #e1dede;
}
.pic-title>h2{
    padding-left: 20px;
    font-size: 18px;
    color: #000;
    font-weight: 700;
    padding-bottom: 35px;
}
.pic{
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.pic>img{
    width: 100%;
}
.picword{
    font-size: 12px;
    color: #000;
    padding: 0 20px 25px;
    border-bottom: 1px solid #e1dede;
    margin-bottom: 25px;
}
.package{
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.package>img{
    width: 100%;
}
.package>h2{
    font-size: 18px;
    padding-bottom: 25px;
    font-weight: 700;
}
.package>p{
    font-size: 12px;
    color: #666;
    padding: 20px 0;
    border-bottom: 1px solid #e1dede;
}
.brand{
    width: 100%;
    height: 65px;
    padding: 0 20px 0;
    box-sizing: border-box;
    
}
.brand>div{
    line-height: 65px;
    height: 65px;
    border-bottom: 1px solid #e1dede;
}
.brand>div>h2{
    font-size: 18px;
    /* padding-bottom: 25px; */
    font-weight: 700;
    float: left;
}
.brand>div>p{
    float: right;
    font-size: 14px;
    color: #666;
}
.brand>div>i{
    float: right;
    font-size: 14px;
    color: #666;
    margin-top: 26px;
}
.cannot{
    width: 100%;
    /* padding: 0 20px; */
    box-sizing: border-box;
    margin-top: 10px;
    margin-bottom: 10px;
}
.cannot>img{
    width: 100%;
}
.commit{
    width: 100%;
    height: 65px;
    padding: 0 20px 0;
    box-sizing: border-box;
    
}
.commit>div{
    line-height: 65px;
    height: 65px;
    border-bottom: 1px solid #e1dede;
    border-top: 1px solid #e1dede;
}
.commit>div>h2{
    font-size: 18px;
    /* padding-bottom: 25px; */
    font-weight: 700;
    float: left;
}
.commit>div>p{
    float: right;
    font-size: 14px;
    color: #666;
}
.commit>div>i{
    float: right;
    font-size: 14px;
    color: #666;
    margin-top: 26px;
}
.look{
    width: 100%;
    padding: 0 20px 0;
    box-sizing: border-box;
    margin-top: 25px;
}
.look>h2{
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}
#cover{
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.35);
    position: fixed;
    top: 0;
    z-index: 20;
}
#cover>.cover-box{
    height: 450px;
    width: 100%;
    background: #fff;
    margin-top: 96.5%;
}
#cover>.cover-box>.box-c{
    width: 100%;
    height: 50px;
    box-shadow: 0 -0.04rem 0.08rem 0 rgba(0,0,0,.05);
    position: absolute;
    bottom: 0;
    text-align: center;
    line-height: 50px;
}
#cover>.cover-box>.box-a>h2{
    height: 50px;
    line-height: 50px;
    width: 100%;
    text-indent: 1em;
    font-size: 18px;
    font-weight: 700;
}
#cover>.cover-box>.box-b{
    height: 350px;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: scroll;
}
#cover>.cover-box>.box-b dt{
    font-size: 14px;
    color: #000;
    margin-bottom: 7px;
}
#cover>.cover-box>.box-b dd{
    font-size: 12px;
    color: #666;
    margin: 10px 0;
}
#cover>.cover-box>.box-b .cert>img{
    width: 75px;
    margin: 25px 0;
}
.van-count-down{
    display: inline-block;
    margin-left: 12px;
}